FarsiLibrary.Win.Controls.FAMessageBox.AddButton C# (CSharp) Method

        public void AddButton(FAMessageBoxButton button)
        {
            if (button == null)
                throw new ArgumentNullException("button", "A null button cannot be added");

            _msgBox.Buttons.Add(button);

            if (button.IsCancelButton)
            {
                _msgBox.CustomCancelButton = button;
            }
        }